MOD: finished updating code to support exceptions in scanDBFile

dbfp.py

@@ -28,10 +28,9 @@ def compareFingerprint(file_in, file_json):
 #
 def createFingerprint(file_in, app_name, app_ver, notes):
   print "Reading database file: {}".format(file_in)
+  try:
     db = FingerprintDB()
-  retVal = db.scanDBFile(file_in)
+    db.scanDBFile(file_in)
-
-  if (retVal > 0):
     if app_name:
       db.setAppName(app_name)
     if app_ver:
@@ -40,8 +39,8 @@ def createFingerprint(file_in, app_name, app_ver, notes):
       db.setNotes(notes)
     filename = db.writeFingerprint()
     print "Fingerprint generated: {}".format(filename)
-  else:
+  except Exception as ex:
-    print db.getErrorString(retVal)
+    print ex
 
 #
 def indexFingerprints(fp_dir):
@@ -59,26 +58,28 @@ def indexFingerprints(fp_dir):
       print "  {} files skipped (N/A, not a fingerprint file)".format(retVal[2])
       print
     except Exception as ex:
-      print "ERROR: issue creating the index\n{}\n".format(ex)
+      print "ERROR: issue creating the index\n{}".format(ex)
 
 #
 def compareFingerprintDir(file_in, fp_dir):
   try:
     db = FingerprintDB()
     db.scanDBFile(file_in)
+
+    logging.info("MD5 DB == {}".format(db.getMD5DB()))
+    logging.info("MD5 TB == {}".format(db.getMD5Tables()))
+
     fp = FingerprintIndex()
     fp.openIndex(fp_dir)
 
     # search for fingerprints with exact database match
-    # fp_ret = fp.findFP(db.getMD5DB())
+    fp_ret = fp.findFP(db.getMD5DB())
-    fp_ret = None
     if (fp_ret):
       print "Database matche(s) found"
       print "RESULTS:"
       for fp_list in fp_ret:
         for fp in fp_list[1].split(','):
           print fp
-      print
     # search for fingerprints with similar tables
     else:
       logging.info("Searching for md5 tables: {}".format(db.getMD5Tables()))
@@ -124,7 +125,7 @@ def androidPull():
     fin_count += count
     print "Fingerprints created: {}".format(str(count))
 
-  print "\nTotal Fingerprints created: {}\n".format(str(fin_count))
+  print "\nTotal Fingerprints created: {}".format(str(fin_count))
 
 #
 def androidData(data_dir):
@@ -147,7 +148,7 @@ def androidData(data_dir):
     count = __createFingerprint(in_dir, out_dir, ddir)
     fin_count += count
   
-  print "COMPLETED: created {} fingerprints\n".format(str(fin_count))
+  print "COMPLETED: created {} fingerprints".format(str(fin_count))
 
 #
 def queryMD5(fp_dir, md5_db):
@@ -275,3 +276,4 @@ def parseArgs():
 
 if __name__ == "__main__":
   main()
+  print

libs/exceptions.py

@@ -6,6 +6,10 @@ class FingerprintWrite(Exception):
   """Error writing the fingerprint to a file"""
   pass
 
+class FingerprintReadNoData(Exception):
+	"""File contains no data"""
+	pass
+
 class FingerprintIndexOpen(Exception):
   """Error opening an index file"""
   pass
@@ -21,3 +25,4 @@ class FingerprintIndexWrite(Exception):
 class FingerprintMD5(Exception):
   """Error creating an MD5 sum"""
   pass
+

libs/fingerprint.py

@@ -8,7 +8,7 @@ import hashlib
 import time
 import logging
 from libs.toolbox import ToolBox
-from libs.exceptions import FingerprintWrite, FingerprintMD5
+from libs.exceptions import FingerprintWrite, FingerprintMD5, FingerprintReadNoData
 
 delimeter = "|"
 
@@ -62,7 +62,7 @@ class FingerprintDB:
       (self.conn, self.cur) = self.__openDB(filein)
     except Exception, ex:
       logging.info(ex)
-      return -2
+      raise
 
     try:
       # extract file name from path+filename
@@ -76,20 +76,16 @@ class FingerprintDB:
       self.__createMD5DB()
     except Exception as ex:
       logging.error(ex)
-      return -3
+      raise
 
     # create and index of table hashes
     self.table_hashes = {}
-    print "*****"
-    print self.tables
     for key in self.tables.keys():
-      print self.tables[key]
       self.table_hashes[key] = self.tables[key].hash()
 
     # flag is used to determine if the class has data
     self.init = True
     self.filein = filein
-    return 1
 
   #
   def writeFingerprint(self):
@@ -278,22 +274,24 @@ class FingerprintDB:
   # read a sqlite database by parsing the create table strings
   # sqlmaster = "SELECT name, sql FROM sqlite_master WHERE type='table'"
   def __readDatabase(self):
+    flag = False
     rows = self.cur.execute(self.sqlmaster)
-    row = self.cur.fetchone()
+    # row = self.cur.fetchone()
-    if (not row):
+    # newTable = TableSchema()
-      raise Exception
+    # newTable.loadTable(row[0], row[1])
-
+    # self.table_names.append(newTable.name())
-    newTable = TableSchema()
+    # self.tables[newTable.name()] = newTable
-    newTable.loadTable(row[0], row[1])
-    self.table_names.append(newTable.name())
-    self.tables[newTable.name()] = newTable
 
     for row in rows:
+      flag = True
       newTable = TableSchema()
       newTable.loadTable(row[0], row[1])
       self.table_names.append(newTable.name())
       self.tables[newTable.name()] = newTable
 
+    if (not flag):
+      raise FingerprintReadNoData("No data, possible zero byte file")
+
   #
   def debugFingerprint(self):
     if self.tables: